155917020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{293}}^1$

素因数の和:500

約数の個数: 144

約数和(自身を含む): 512392608

約数和(自身を除く): 356475588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 181, 196, 210, 245, 293, 294, 362, 420, 490, 543, 586, 588, 724, 735, 879, 905, 980, 1086, 1172, 1267, 1465, 1470, 1758, 1810, 2051, 2172, 2534, 2715, 2930, 2940, 3516, 3620, 3801, 4102, 4395, 5068, 5430, 5860, 6153, 6335, 7602, 8204, 8790, 8869, 10255, 10860, 12306, 12670, 14357, 15204, 17580, 17738, 19005, 20510, 24612, 25340, 26607, 28714, 30765, 35476, 38010, 41020, 43071, 44345, 53033, 53214, 57428, 61530, 71785, 76020, 86142, 88690, 106066, 106428, 123060, 133035, 143570, 159099, 172284, 177380, 212132, 215355, 265165, 266070, 287140, 318198, 371231, 430710, 530330, 532140, 636396, 742462, 795495, 861420, 1060660, 1113693, 1484924, 1590990, 1856155, 2227386, 2598617, 3181980, 3712310, 4454772, 5197234, 5568465, 7424620, 7795851, 10394468, 11136930, 12993085, 15591702, 22273860, 25986170, 31183404, 38979255, 51972340, 77958510, 155917020]

約数ペア:

[(1, 155917020), (2, 77958510), (3, 51972340), (4, 38979255), (5, 31183404), (6, 25986170), (7, 22273860), (10, 15591702), (12, 12993085), (14, 11136930), (15, 10394468), (20, 7795851), (21, 7424620), (28, 5568465), (30, 5197234), (35, 4454772), (42, 3712310), (49, 3181980), (60, 2598617), (70, 2227386), (84, 1856155), (98, 1590990), (105, 1484924), (140, 1113693), (147, 1060660), (181, 861420), (196, 795495), (210, 742462), (245, 636396), (293, 532140), (294, 530330), (362, 430710), (420, 371231), (490, 318198), (543, 287140), (586, 266070), (588, 265165), (724, 215355), (735, 212132), (879, 177380), (905, 172284), (980, 159099), (1086, 143570), (1172, 133035), (1267, 123060), (1465, 106428), (1470, 106066), (1758, 88690), (1810, 86142), (2051, 76020), (2172, 71785), (2534, 61530), (2715, 57428), (2930, 53214), (2940, 53033), (3516, 44345), (3620, 43071), (3801, 41020), (4102, 38010), (4395, 35476), (5068, 30765), (5430, 28714), (5860, 26607), (6153, 25340), (6335, 24612), (7602, 20510), (8204, 19005), (8790, 17738), (8869, 17580), (10255, 15204), (10860, 14357), (12306, 12670)]